Heat gun



FIG. 1 is a perspective view of a heat gun showing a first embodiment of our new design;

FIG. 2 is a front view of the heat gun of FIG. 1;

FIG. 3 is a back view of the heat gun of FIG. 1;

FIG. 4 is a right side view of the heat gun of FIG. 1;

FIG. 5 is a left side view of the heat gun of FIG. 1;

FIG. 6 is a top view of the heat gun of FIG. 1; and

FIG. 7 is a bottom view of the heat gun of FIG. 1.

FIG. 8 is a perspective view of a heat gun showing a second embodiment of our new design;

FIG. 9 is a front view of the heat gun of FIG. 8;

FIG. 10 is a back view of the heat gun of FIG. 8;

FIG. 11 is a right side view of the heat gun of FIG. 8;

FIG. 12 is a left side view of the heat gun of FIG. 8;

FIG. 13 is a top view of the heat gun of FIG. 8; and,

FIG. 14 is a bottom view of the heat gun of FIG. 8.

The broken lines in the figures illustrate features that form no part of the claimed design. 

The ornamental design for a heat gun, as shown and described. 